Supernova SN 2021sjt in NGC 6951 galaxy: an image – 20 July 2021.

We observed supernova SN 2021sjt in the NGC 6951 intermediate spiral galaxy galaxy, as part of our supernova follow-up program: here it is our image.

Supernova SN 2021sjt in NGC 6951 galaxy. 20 July 2021.

Supernova SN 2021sjt in NGC 6951 galaxy. 20 July 2021.

The image above comes from the average of six, 120-second exposures, unfiltered, remotely taken with the “Elena” (PlaneWave 17″+Paramount ME+SBIG STL-6303E) robotic unit available as part of the Virtual Telescope Project. The supernova is indicated by an arrow in the upper left inset. A very bright Moon was up in the sky.

The host is NGC 6951, an intermediate spiral galaxy located at about 75 millions of light years from us. As for the supernova, we estimated SN 2021sjt as bright as mag. 16.4 (unfiltered, R-mags for the reference stars from the Gaia DR2 star catalogue). This transient was discovered on 7 July 2021 by the and it is a type II supernova.

In 2015, NGC 6951 hosted the type Ibn supernova SN 2015G.

Further observations will follow, weather permitting.

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